<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>




欢迎登录,${username}~~~ <a href="logout">退出登录</a>
<br />
<a href="B.jsp">B页面</a>

</body>
</html>